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A new unit test file test_rulesets adds tests for the following: - enabling/disabling rules based on substrings - enabling/disabling rules based on exact matches - enabling/disabling rules based on tags There are variants that test for default and non-default rulesets. Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
262 lines
8.3 KiB
C++
262 lines
8.3 KiB
C++
/*
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Copyright (C) 2020 The Falco Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "ruleset.h"
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#include <catch.hpp>
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static bool exact_match = true;
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static bool substring_match = false;
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static bool enabled = true;
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static bool disabled = false;
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static uint16_t default_ruleset = 0;
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static uint16_t non_default_ruleset = 3;
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static uint16_t other_non_default_ruleset = 2;
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static std::set<std::string> tags = {"some_tag", "some_other_tag"};
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static std::set<uint32_t> event_tags = {1};
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TEST_CASE("Should enable/disable for exact match w/ default ruleset", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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r.add(rule_name, tags, event_tags, filter);
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r.enable("one_rule", exact_match, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 1);
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r.enable("one_rule", exact_match, disabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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}
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TEST_CASE("Should enable/disable for exact match w/ specific ruleset", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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r.add(rule_name, tags, event_tags, filter);
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r.enable("one_rule", exact_match, enabled, non_default_ruleset);
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REQUIRE(r.num_rules_for_ruleset(non_default_ruleset) == 1);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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REQUIRE(r.num_rules_for_ruleset(other_non_default_ruleset) == 0);
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r.enable("one_rule", exact_match, disabled, non_default_ruleset);
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REQUIRE(r.num_rules_for_ruleset(non_default_ruleset) == 0);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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REQUIRE(r.num_rules_for_ruleset(other_non_default_ruleset) == 0);
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}
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TEST_CASE("Should not enable for exact match different rule name", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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r.add(rule_name, tags, event_tags, filter);
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r.enable("some_other_rule", exact_match, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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}
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TEST_CASE("Should enable/disable for exact match w/ substring and default ruleset", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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r.add(rule_name, tags, event_tags, filter);
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r.enable("one_rule", substring_match, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 1);
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r.enable("one_rule", substring_match, disabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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}
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TEST_CASE("Should not enable for substring w/ exact_match", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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r.add(rule_name, tags, event_tags, filter);
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r.enable("one_", exact_match, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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}
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TEST_CASE("Should enable/disable for prefix match w/ default ruleset", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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r.add(rule_name, tags, event_tags, filter);
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r.enable("one_", substring_match, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 1);
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r.enable("one_", substring_match, disabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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}
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TEST_CASE("Should enable/disable for suffix match w/ default ruleset", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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r.add(rule_name, tags, event_tags, filter);
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r.enable("_rule", substring_match, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 1);
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r.enable("_rule", substring_match, disabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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}
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TEST_CASE("Should enable/disable for substring match w/ default ruleset", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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r.add(rule_name, tags, event_tags, filter);
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r.enable("ne_ru", substring_match, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 1);
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r.enable("ne_ru", substring_match, disabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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}
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TEST_CASE("Should enable/disable for substring match w/ specific ruleset", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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r.add(rule_name, tags, event_tags, filter);
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r.enable("ne_ru", substring_match, enabled, non_default_ruleset);
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REQUIRE(r.num_rules_for_ruleset(non_default_ruleset) == 1);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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REQUIRE(r.num_rules_for_ruleset(other_non_default_ruleset) == 0);
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r.enable("ne_ru", substring_match, disabled, non_default_ruleset);
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REQUIRE(r.num_rules_for_ruleset(non_default_ruleset) == 0);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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REQUIRE(r.num_rules_for_ruleset(other_non_default_ruleset) == 0);
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}
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TEST_CASE("Should enable/disable for tags w/ default ruleset", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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std::set<std::string> want_tags = {"some_tag"};
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r.add(rule_name, tags, event_tags, filter);
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r.enable_tags(want_tags, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 1);
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r.enable_tags(want_tags, disabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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}
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TEST_CASE("Should enable/disable for tags w/ specific ruleset", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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std::set<std::string> want_tags = {"some_tag"};
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r.add(rule_name, tags, event_tags, filter);
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r.enable_tags(want_tags, enabled, non_default_ruleset);
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REQUIRE(r.num_rules_for_ruleset(non_default_ruleset) == 1);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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REQUIRE(r.num_rules_for_ruleset(other_non_default_ruleset) == 0);
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r.enable_tags(want_tags, disabled, non_default_ruleset);
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REQUIRE(r.num_rules_for_ruleset(non_default_ruleset) == 0);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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REQUIRE(r.num_rules_for_ruleset(other_non_default_ruleset) == 0);
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}
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TEST_CASE("Should not enable for different tags", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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std::set<std::string> want_tags = {"some_different_tag"};
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r.add(rule_name, tags, event_tags, filter);
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r.enable_tags(want_tags, enabled);
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REQUIRE(r.num_rules_for_ruleset(non_default_ruleset) == 0);
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}
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TEST_CASE("Should enable/disable for overlapping tags", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *filter = new gen_event_filter();
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string rule_name = "one_rule";
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std::set<std::string> want_tags = {"some_tag", "some_different_tag"};
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r.add(rule_name, tags, event_tags, filter);
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r.enable_tags(want_tags, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 1);
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r.enable_tags(want_tags, disabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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}
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TEST_CASE("Should enable/disable for incremental adding tags", "[rulesets]")
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{
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falco_ruleset r;
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gen_event_filter *rule1_filter = new gen_event_filter();
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string rule1_name = "one_rule";
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std::set<std::string> rule1_tags = {"rule1_tag"};
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r.add(rule1_name, rule1_tags, event_tags, rule1_filter);
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gen_event_filter *rule2_filter = new gen_event_filter();
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string rule2_name = "two_rule";
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std::set<std::string> rule2_tags = {"rule2_tag"};
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r.add(rule2_name, rule2_tags, event_tags, rule2_filter);
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std::set<std::string> want_tags;
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want_tags = rule1_tags;
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r.enable_tags(want_tags, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 1);
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want_tags = rule2_tags;
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r.enable_tags(want_tags, enabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 2);
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r.enable_tags(want_tags, disabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 1);
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want_tags = rule1_tags;
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r.enable_tags(want_tags, disabled);
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REQUIRE(r.num_rules_for_ruleset(default_ruleset) == 0);
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}
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